package com.spzx.product.receiver;

import com.rabbitmq.client.Channel;
import com.spzx.common.core.utils.StringUtils;
import com.spzx.common.rabbit.constant.MqConst;
import com.spzx.product.service.ISkuStockService;
import lombok.SneakyThrows;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.core.Message;
import org.springframework.amqp.rabbit.annotation.Exchange;
import org.springframework.amqp.rabbit.annotation.Queue;
import org.springframework.amqp.rabbit.annotation.QueueBinding;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
@Slf4j
@Component
public class ProductReceiver {
    @Autowired
    private ISkuStockService skuStockService;
    /**
     * 解锁库存
     * @param orderNo 订单号
     */
    @SneakyThrows
    @RabbitListener(bindings = @QueueBinding(
            exchange = @Exchange(
                    value = MqConst.EXCHANGE_PRODUCT,
                    durable = "true",
                    type = "direct"
            ),
            value = @Queue(
                    value = MqConst.QUEUE_UNLOCK,
                    durable = "true"
            ),
            key = MqConst.ROUTING_UNLOCK
    ))
    public void unlock(String orderNo, Message message, Channel channel){
        log.info("解锁库存{}",new String(message.getBody()));
        skuStockService.unlock(orderNo);
        channel.basicAck(message.getMessageProperties().getDeliveryTag(),false);
    }
    /**
     * 扣减库存
     * @param orderNo  订单号
     */
    @SneakyThrows
    @RabbitListener(bindings = @QueueBinding(
            exchange = @Exchange(
                    value = MqConst.EXCHANGE_PRODUCT,
                    durable = "true",
                    type = "direct"
            ),
            value = @Queue(
                    value = MqConst.QUEUE_MINUS,
                    durable = "true"
            ),
            key = MqConst.ROUTING_MINUS
    ))
    public void minus(String orderNo,Message message,Channel channel){
        if (StringUtils.isNotEmpty(orderNo)){
            log.info("[商品服务]监听减库存消息：{}", orderNo);
            //扣减库存
            skuStockService.minus(orderNo);
        }
        //手动应答
        channel.basicAck(message.getMessageProperties().getDeliveryTag(), false);
    }
}
